The correct answer is B) consumption/investment.
Sue buys a new computer, which counts as consumption in the gross domestic product. Later, she buys a new home, which counts as an investment in the Gross Domestic Product.
The acquisition of a computer is considered a consumption because you use it on a daily basis, has a utility and the product is wasting over time losing is value. In the case of the house, it is considered an investment because is a property, a real state property that increases its value with time if it is well conserved.